11111010001002 has 32 divisors (see below), whose sum is σ = 24700281912000. Its totient is φ = 3702297713904.

The previous prime is 11111010000991. The next prime is 11111010001019. The reversal of 11111010001002 is 20010001011111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37971973 + ... + 38263464.

It is an arithmetic number, because the mean of its divisors is an integer number (771883809750).

Almost surely, 2^{11111010001002} is an apocalyptic number.

11111010001002 is an abundant number, since it is smaller than the sum of its proper divisors (13589271910998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111010001002 is a wasteful number, since it uses less digits than its factorization.

11111010001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76238147 (or 76238141 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11111010001002 its reverse (20010001011111), we get a palindrome (31121011012113).

The spelling of 11111010001002 in words is "eleven trillion, one hundred eleven billion, ten million, one thousand, two".